Home / 5,148.19-7,722.30-1,252.57

Finding the Fourth Proportional to 5,148.19, 7,722.30 and 1,252.57

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Solution

The fourth proportional to 5,148.19, 7,722.30 and 1,252.57 is: 1,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.19 : 7,722.30 = 1,252.57 : x
  2. Step 2: Convert to fraction form
    5,148.19/7,722.30 = 1,252.57/x
  3. Step 3: Cross multiply
    5,148.19x = 7,722.30 × 1,252.57
  4. Step 4: Simplify right side
    5,148.19x = 9,672,721.31
  5. Step 5: Solve for x
    x = 9,672,721.31/5,148.19
  6. Step 6: Final answer
    x = 1,878.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.